I have new toy on order from China. 5 watt green laser, it will control anything unwanted in my tank
http://www.dhgate.com/store/product/532nm-5000mw-5w-focusable-green-laser-pointer/214714508.html
Like this - https://www.youtube.com/watch?v=WvkEbx1P85U
Let me know how you like it after you get it. I may order one to control some zoasI have new toy on order from China. 5 watt green laser, it will control anything unwanted in my tank
http://www.dhgate.com/store/product/532nm-5000mw-5w-focusable-green-laser-pointer/214714508.html
Like this - https://www.youtube.com/watch?v=WvkEbx1P85U